Re: df.c and partial writes/REG_EQUAL notes

[Daniel Berlin <dan at cgsoftware dot com>]

Richard Henderson <rth@redhat.com> writes:

> On Thu, Sep 27, 2001 at 09:29:44AM -0400, Daniel Berlin wrote:
> > You want no more than 2 bitmap implementations in the compiler,
>
> Yes.  And if we introduce a third, there will be significant
> inertia for there to _remain_ three implementations.
>
>> and want it replaced all at once, which is another questionable idea.
>
> Did I say that?  I don't think I did. 
How would one keep two bitmap implementations, yet not change it all
at once?
It's not possible, since regsets *are* bitmaps.


>  If replacing the bitmap
> implementation requires changes elsewhere wrt memory management,
They don't, anymore.
It was simply an optimization anyway.

>
>
> r~

-- 
"He asked me if I knew what time it was.  I said, "Yes, but not
right now."
"-Steven Wright